Spires and Towers visited in the U.S. and Canada
| Big Bend National Park | Texas |
| Bryce Canyon National Park | Utah |
| Castle Rocks State Park | Idaho |
| Cathedral Spires, Custer State Park | South Dakota |
| Canyonlands National Park | Utah |
| Cedar Breaks National Monument | Utah |
| Chiracahua National Monument | Arizona |
| Colorado National Monument | Colorado |
| Devil’s Tower National Monument | Wyoming |
| Golden Gate Canyon State Park, CO | Colorado |
| Monument Valley Navajo Tribal Park | Arizona |
| Red River Gorge National Geological Area | Arkansas |